1.Your IP address can be collected by any web site or web page. The hacker doesn’t need 文學城 to provide the IP.
2.Don’t worry about the message you have as long as your firewall’s setting is correct. You might contact your ISP about this issue and add that IP address to your Trusted IP list to guarantee your DSL modem works properly. UDP port 68 is commonly used by the "Bootstrap Protocol Client" service. Some ISPs use the Bootstrap Protocol 'keep alive' mechanism.